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Adult wheat weevils when threatened or disturbed will pull their legs close to their bodies and feign death. Female weevils can tell if a grain kernel has had an egg laid in it by another weevil. [5] They avoid laying another egg in this grain. Females chew a hole, deposit an egg, and seal the hole with a gelatinous secretion.
Most weevils have the ability to fly (including pest species such as the rice weevil), [2] [3] though a significant number are flightless, such as the genus Otiorhynchus, and others can jump. One species of weevil, Austroplatypus incompertus , exhibits eusociality , one of the few insects outside the Hymenoptera and the Isoptera to do so.
The Curculionidae are a family of weevils, commonly called snout beetles or true weevils. They are one of the largest animal families with 6,800 genera and 83,000 [ 1 ] species described worldwide. They are the sister group to the family Brentidae .
Larvae of the black carpet beetle Attagenus megatoma may grow up to 1 ⁄ 2 inch (13 mm) and be yellow to brown in color. Other types of carpet beetle are regularly 1 ⁄ 4 to 1 inch (6.4 to 25.4 millimetres) long and covered with dark setae. Certain species have distinctive tufts of setae extending from their posterior end.
The Entiminae are a large subfamily in the weevil family Curculionidae, containing most of the short-nosed weevils, including such genera as Entimus, Otiorhynchus, Phyllobius, Sitona, and Pachyrrhynchus. In comparison with their stunning diversity, only a few of these weevils are notorious pests of major economic importance. Entimines are ...
The boll weevil (Anthonomus grandis) is a species of beetle in the family Curculionidae.The boll weevil feeds on cotton buds and flowers. Thought to be native to Central Mexico, [1] it migrated into the United States from Mexico in the late 19th century and had infested all U.S. cotton-growing areas by the 1920s, devastating the industry and the people working in the American South.
Weevils also are known to infest oats, rice, corn, corn meal, sorghum, and cereal, so you might want to apply the same practice you do to your flour as those items as well.
The varied carpet beetle (Anthrenus verbasci) is a 3 mm-long beetle belonging to the family Dermestidae, positioned in subgenus Nathrenus.They are a common species, often considered a pest of domestic houses and, particularly, natural history museums, where the larvae may damage natural fibers and can damage carpets, furniture, clothing, and insect collections.